Business Details
50+ Years
experience
Emergency
services
Your Trusted Pittsburgh Plumbing & HVAC Experts
A.F. Cost & Sons has been a family-owned provider of heating, plumbing, and air conditioning solutions for over 85 years. Our commitment to customer satisfaction drives every service call, with licensed technicians who undergo rigorous screening. We prioritize transparency in pricing, guaranteed workmanship, and 24-hour emergency service to address urgent needs. Our team treats every customer like family, focusing on resolving issues permanently rather than upselling. With a strong reputation through the Better Business Bureau and decades of trust from local property managers, we continue to serve Pittsburgh and surrounding areas with integrity.Our technicians arrive prepared to solve problems efficiently, ensuring homes and businesses maintain safe, functional systems. We specialize in both residential and commercial plumbing, HVAC maintenance, and emergency repairs. Customer retention remains our primary goal, achieved through punctuality, professionalism, and respect for clients' properties. Our legacy of quality service spans generations, reflecting our dedication to upholding family values in every interaction. For over eight decades, we've built lasting relationships by delivering on promises and maintaining high standards of workmanship.
Services
Plumbing
HVAC
Water Heaters
Sewer Cleaning
Gas Lines
Details
- Year established: 1938
Highlights and features
- 85 years of family-owned plumbing and HVAC expertise
- Better Business Bureau accredited with licensed technicians
- 24-hour emergency service for urgent home and business needs
- Transparent pricing with no hidden charges
- Guaranteed repairs prioritizing permanent solutions over upselling
Associations and certifications
- Better Business Bureau
What people say
24-hour emergency service
Licensed technicians
Up front pricing
Family-owned trust
No hidden charges
Services
Plumbing
Residential and commercial plumbing services address leaks, clogs, and system failures. Our licensed technicians perform sewer line cleaning, backflow testing, and emergency repairs. We specialize in water heater installations and gas line maintenance, ensuring safe, code-compliant solutions for both routine and urgent plumbing needs.
HVAC
Heating and air conditioning services include furnace repairs, boiler installations, and AC tune-ups. We offer preventative maintenance programs to optimize system efficiency and emergency HVAC repairs. Our technicians service rooftop units, chillers, and humidity control systems for residential and commercial properties.
Water Heaters
Water heater installation, repair, and maintenance services cover traditional tank systems and modern tankless models. We diagnose heating element failures, pressure issues, and sediment buildup. Emergency services restore hot water access promptly, with transparent pricing for replacement or repair options.
Sewer Cleaning
Professional sewer line cleaning uses jet service and eel service equipment to clear blockages. We perform dye tests for leak detection and backflow prevention testing to meet municipal requirements. Commercial clients benefit from scheduled maintenance to prevent costly backups in high-traffic facilities.
Gas Lines
Gas line installation and repair services meet strict safety standards. We handle propane and natural gas system maintenance, including leak detection and pressure regulation. Residential services cover appliance connections while commercial work includes large-scale HVAC gas supply systems.
Questions
What areas do you service?
We serve Pittsburgh and surrounding communities including Bloomfield, Monroeville, and all listed Allegheny County neighborhoods.
Do you offer emergency plumbing services?
Yes, we provide 24-hour emergency service for urgent plumbing, heating, and AC issues.
Are your technicians licensed?
All our technicians are licensed and undergo extensive background screening before client interactions.
How do you handle pricing transparency?
We provide flat-rate pricing with no hidden fees, ensuring customers know costs before work begins.
What HVAC services do you offer?
We service furnaces, boilers, air conditioners, and commercial rooftop units with maintenance and emergency repairs.
Can you help with commercial plumbing needs?
Yes, we handle commercial overflow issues, clogged sinks, and hot water system maintenance to minimize business disruption.
